R. 'Siam'
Rhododendron Hybrid
| Hybridized By | Leach, Dr. David G. |
| Seed Parent | R. catawbiense |
| Pollen Parent | R. degronianum ssp yakushimanum |
| Introduced | 1952 |
| 10 Year Height | 120 cm. (4ft.) |
| Bloom Time | late midseason |
| Flower | broadly funnel-campanulate |
| Predominant Colour | ? |
| Leaves | narrowly elliptic |
| Winter Foliage | ? |
| Additional Parentage Info |
(white flowered) x () |
| Hardiness | ? |
| Status | IRRC registered. |